Qi Ling, the Shaoqing of Dali Temple, once again received a secret decree from the emperor, ordering him to track down the "Nine Dragon Pen" with supernatural powers and crack the secrets. After repeated investigations, Qi Ling discovered that this object was actually related to his dead father. As the mechanism of the Nine Dragon Pen was gradually opened, the case gradually became clear, but at this time, various forces in the court were also surging undercurrents, and everything was not that simple.